CN101525888A - A lift arm for a skid-steel loader - Google Patents
A lift arm for a skid-steel loader Download PDFInfo
- Publication number
- CN101525888A CN101525888A CN200910004047A CN200910004047A CN101525888A CN 101525888 A CN101525888 A CN 101525888A CN 200910004047 A CN200910004047 A CN 200910004047A CN 200910004047 A CN200910004047 A CN 200910004047A CN 101525888 A CN101525888 A CN 101525888A
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- arm
- loader
- lift arm
- lift
- glide steering
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- 229910000831 Steel Inorganic materials 0.000 title abstract description 10
- 239000010959 steel Substances 0.000 title abstract description 10
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 14
- 239000007769 metal material Substances 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims description 20
- 230000002708 enhancing effect Effects 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 10
- 238000009826 distribution Methods 0.000 description 6
- 238000003466 welding Methods 0.000 description 6
- 230000005484 gravity Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 238000003971 tillage Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 241001417527 Pempheridae Species 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010413 gardening Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/34—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines
- E02F3/3414—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines the arms being pivoted at the rear of the vehicle chassis, e.g. skid steer loader
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/34—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Shovels (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Lifting Devices For Agricultural Implements (AREA)
Abstract
The present invention relates to a lift arm for a skid-steel loader. The lift arm for a skid-steel loader, in which a pair of right and left lift arms 6,6 are divided in two so that they are constituted as first arm portions 21 and second arm portions 22. Each of the first arm portions 21 is constituted as a long member which is constituted from a sheet metal material and a hollow portion is formed from a proximal end to a front end of the first arm portion. Reinforcing plate-shaped bodies 25A,25B are fixed on both side faces from a central portion to the front end. Each of the second arm portions 22 is constituted from a plate-shaped body and constituted between a front wheel 3A and a loader main body 2 so as to be inserted loosely. With this structure, it is possible to provide the lift arm which enables an entire length of the skid-steer loader to be shortened.
Description
Technical field
The present invention relates to the lift arm of glide steering loader.
Background technology
Glide steering loader is different with wheel loader, and it constitutes the rotation difference of utilizing when left and right sides two-wheeled is independently rotated respectively and handles direct of travel.In addition, be formed on the structure of loader body rear support lift arm.By this structure, can access needed desirable rotating distance when lift arm is rotated, and make the total length short (open flat 6-33476 communique with reference to (Japan) spy, be called patent documentation 1 below) of glide steering loader.
Therefore, glide steering loader can be than more miniaturization of wheel loader, and can shorten radius of gyration.Owing to have these advantages, thereby make glide steering loader be suitable for the civil engineering in narrower place such as artificial gardening for example.
As shown in Figure 7, in patent documentation 1 described glide steering loader 40, therefore the structure in the leading section side of the inboard arrangements lifting arm 41 of front-wheel 47, becomes the structure that can enlarge the visual field, side.But,, the cylinder body 46 of scraper bowl 42 actions is become at the 43 times quadrate parts of cylinder body and the cylinder body 43 that make lift arm 41 actions is configured to almost parallel in the structure of the leading section side of the inboard arrangements lifting arm 41 of front-wheel 47.Therefore, form the structure utilize linking arm 44 that cylinder body 46 rotates and the connecting rod 45 that the rotation of linking arm 44 passes to scraper bowl 42 all to be disposed at the front side of lift arm 41.
Therefore, must dispose two cylinder bodies 43,46, thereby become complicated structure in the side of glide steering loader 40 one.In addition, must use the big cylinder body of haul distance as cylinder body 46.
The leading section side that is disposed at lift arm as the cylinder body that will make the scraper bowl action is the structure of the front face side of glide steering loader, motion has (opening the 2007-254986 communique with reference to (Japan) spy, hereinafter referred to as patent documentation 2) such as the lift arms of glide steering loader.Patent documentation 2 described lift arms 50 form the structure that lift arm 50 2 is cut apart as shown in Figure 8, constitute by first arm 51 that is supported in loader body 55 rear portions rotationally with at second arm 52 that the front of first arm 51 constitutes downwards.
Glide steering loader is littler than the radius of gyration of wheel loader, also can turn to.Like this, compare with wheel loader, small-sized and glide steering loader that operability is high can be applicable in the various uses of the tillage operation in narrower and small place etc. and use.
For example, utilize the scraper bowl be arranged at the lift arm front can carry out digging operation or loading operation etc., in addition, utilize the side etc. of scraper bowl also can carry out tillage operation.
That is, glide steering loader is different with wheel loader, and same operation can be used in various uses with annex, therefore, and in the front of lift arm, except that loading longitudinally, from laterally also bearing bigger load.
Therefore, the front of the lift arm of glide steering loader must have both and can support from the structure of load longitudinally and can support structure from horizontal load.
Therefore, be that the structure of patent documentation 1 described lift arm 41 is the total length that can constitute glide steering loader 40 really with lacking.But the cylinder body 46 that haul distance constitutes more longways bears easily from horizontal load.Therefore, when bearing the piston rod distortion that makes cylinder body 46 from horizontal load, then can not successfully carry out the rotation operation of scraper bowl 42.
In addition, be patent documentation 2 described glide steering loaders 57, because lift arm 50 constitutes the lifting brachium than patent documentation 1, therefore, be difficult to make the radius of gyration of glide steering loader 57 littler.
Summary of the invention
The present invention develops in view of the above problems, its purpose is to provide a kind of lift arm of glide steering loader, its structure that can simplify lift arm realizes lightweight, and, the leading section side of lift arm can be disposed at the inboard of front-wheel, in addition, bear from horizontal with annex in the such operation of scraper bowl and when waiting load, can prevent the driver distortion that operation is rotated with annex.
The invention provides a kind of lift arm of glide steering loader, possess: pair of right and left first arm, its butt side can be supported in the rear portion of loader body rotatably, and front forms in the mode of extending to the place ahead of described loader body; Strengthen and to use plate body, it is installed in lateral surface and medial surface from the central portion of described first arm to front respectively; Pair of right and left second arm, its butt side is disposed at the front of described first arm respectively, and front forms in the mode of extending downwards respectively; Beam portion, it is arranged between the radicle and front of each described second arm, will be between described second arm of pair of right and left links to strengthen, and the lift arm of described glide steering loader is characterised in that,
The sheet metal material that each described first arm is made hollow rectangular shape by shape of cross section constitutes, each described second arm is made of the sheet metal material, the butt side of each described second arm is installed on the medial surface side of described first arm respectively, utilize the following side of reinforcing member with the front of described first arm, the following side of the front of plate body is used in the described enhancing that is installed on the lateral surface of described first arm, and link between the lateral surface side of the butt side of described second arm, constitute the cylinder body installation portion in each described enhancing on plate body, described cylinder body installation portion supporting makes the front of the arm cylinder body of each described first arm rotation
Front formation at each described second arm can support the annex installation portion of operation with annex rotatably,
Front at each described first arm is the butt side formation driver installation portion of each described second arm, the described operation of the described driver installation portion supporting operation radicle of the driver of annex.
In addition, in the lift arm of glide steering loader of the present invention, in the hollow bulb of described first arm, can be equipped with control with wirning harness or make the pipe arrangement etc. of described driver action.
According to the present invention, lift arm is divided into first arm and second arm, the sheet metal material of being made hollow rectangular shape by shape of cross section constitutes first arm, constitutes second arm by the sheet metal material.As first arm, can be to wait by welding to engage crooked sheet metal material, the mode that becomes hollow rectangular shape with shape of cross section constitutes, and also can wait by welding to engage a plurality of sheet metal materials, and the mode that becomes hollow rectangular shape with shape of cross section constitutes.
Can utilize enhancing shape of cross section to be become the lateral surface of leading section side and the ground clamping of medial surface sandwich-like of first arm of hollow rectangular shape with plate body, will strengthen with plate body being fixed on first arm.And, can second arm be installed on plate body in the enhancing of the medial surface side that is disposed at first arm.
Like this, by setting second arm, a pair of second arm of the gap configuration between front-wheel and loader body respectively.And, owing to can utilize the sheet metal parts to constitute first arm and second arm, therefore, can make the quantification in light weight of lift arm.
In addition, by utilize reinforcing member with the following side of the front of first arm, be installed between the lateral surface side of described enhancing with the butt side of the following side of the front of plate body and second arm of lateral surface of described first arm and link, can improve the installation strength of second arm.In addition, by link strengthening the formation of the beam portion between a pair of second arm, even for the operation of the front that is supported on second arm with the annex effect from horizontal load, also can prevent the distortion of second arm.And, can prevent to operate the driver distortion that annex is used in the operation that roughly is provided with along second arm.
Like this,, the total length of glide steering loader can be constituted with lacking, the radius of gyration of glide steering loader can be constituted with lacking according to the present invention.And, not only realize the lightweight of lift arm, and can prevent operation task with the driver of annex because of being out of shape from horizontal load.
Among the present invention, in the hollow bulb of first arm, can be equipped with control with wirning harness or operation task with the pipe arrangement of the driver of annex etc., therefore, can protect control with wirning harness or pipe arrangement etc. because of cause from the collision of outside etc. disrumpent feelings and damage.And, set control with existing side and compare, covered by first arm with distributions such as wirning harness or pipe arrangements owing to control, therefore with the structure of wirning harness or pipe arrangement etc. along first arm, be difficult to see these distributions from the outside, can significantly improve the aesthetic appearance of glide steering loader.
Description of drawings
Fig. 1 is the stereogram of the glide steering loader seen from the side.
Fig. 2 is the stereogram of the glide steering loader seen from the rear.
Fig. 3 is the side view of lift arm.
Fig. 4 is the stereogram of lift arm.
Fig. 5 is the top figure of lift arm.
Fig. 6 is the front view of lift arm.
Fig. 7 is the side view of the glide steering loader of conventional example 1.
Fig. 8 is the side view of the glide steering loader of conventional example 2.
The specific embodiment
Below, with reference to the accompanying drawings the specific embodiment of the present invention is carried out specific description.As the structure of the working truck of the present application, below, the structure that is applicable to glide steering loader is described.But, except the structure of following explanation,, just can adopt these shapes, configuration structure so long as can solve shape, the configuration structure of problem of the present invention.Therefore, the invention is not restricted to the embodiment of following explanation, can carry out various changes.
Embodiment.
At first, the integral body of glide steering loader is described, secondly, the structure of lift arm is described.
Fig. 1 is the end perspective view of glide steering loader 1, and Fig. 2 is the rear perspective view of glide steering loader 1.Fig. 3 is the side view of the lift arm 6 seen from the outside.Fig. 4 is the stereogram of lift arm 6.Fig. 5 is the top figure of lift arm 6, and Fig. 6 is the front view of lift arm 6.
As shown in Figure 1 and Figure 2, glide steering loader 1 constitutes to be possessed: for example, support 5, arm cylinder body 7, the scraper bowl 9 of lift arm 6, the working rig cylinder body 29 etc. that scraper bowl 9 is rotated are supported in loader body 2, front-wheel 3A and trailing wheel 3B, driver's seat 4, lift arm 6, rotation freely.
Driver's seat 4 is positioned at the place ahead that relies on loader body 2, is loaded into the top of loader body 2.Other three (left and right sides two sides and the back) of driver's seat 4 except that the front are covered by not shown protective cover.The operator can be from the front of the driver's seat 4 of opening driver's seat 4 up and down.In addition, the end face formation at least a portion at driver's seat 4 forms latticed top 4A.In addition, do not need to guarantee the visual field, side and back visibibility, and so long as the up and down structure of operator also can be other structure as driver's seat 4 with whole three of covering except that the front of driver's seat 4 of protective cover.
At the rear portion of loader body 2, not shown motor etc. is incorporated in the hood 10 (with reference to Fig. 2).In addition, in the upright upward pair of support parts 5 that is provided with the butt side of a pair of lift arm 6 of supporting in the both sides at the rear portion, the left and right sides of loader body 2.In the upper end side of each support 5, the butt side by supporting lift arms 6 such as pins can be rotated it.
A pair of lift arm 6 utilizes the expanding-contracting action direction rotation up and down integratedly of arm cylinder body 7 separately.The butt side of arm cylinder body 7 is supported by pin etc. rotationally at the downside of support 5, and the front of arm cylinder body 7 is supported in rotationally by pin etc. and is formed at the enhancing that the constitutes lift arm 6 cylinder body installation portion 28 with plate body 25A, 25B.As the formation position of cylinder body installation portion 28, can constitute in the substantial middle portion of arm cylinder body 7.
Stretch by arm cylinder body 7, Yi Bian Yi Bian make lift arm 6 rotate rising upward.Shrink by arm cylinder body 7, lift arm 6 is descended downwards, can return Fig. 1, position shown in Figure 2.
The front of lift arm 6 is bent downwardly in the front portion of loader body 2, at the front of lift arm 6 installation exercise annex removably.That is, be provided with not shown accessory connector etc.With respect to accessory connector etc., for example, various operation annexes such as scraper bowl 9 or fork, sweeper etc. can be installed removably.In illustrated embodiment, as the operation annex, the structure of scraper bowl 9 is installed in expression, and still, scraper bowl 9 is operation examples with annex, the invention is not restricted to this.
Drop at lift arm 6 under the situation of lower position, for example, can constitute the front and the angle between ground that make scraper bowl 9 becomes about about 30 degree.And, when the goods in the scraper bowl 9 of in truck etc., packing into, can constitute the scraper bowl 9 and the angle on ground are for example become about 45 degree.
That is,, compare with the rotatable angle of scraper bowl of common wheel loader and to set greatly as the rotatable angles of scraper bowl 9.Though glide steering loader 1 is more small-sized than wheel loader, because being the height in the compartment of lorry etc., the loading target do not change, therefore, the rotatable angle initialization of scraper bowl 9 is got greatly the operation of can freighting smoothly.
At this, preferably the distance between the center of the center of gravity of scraper bowl 9 and front-wheel 3A constitutes as far as possible shortly.When supposing to constitute longways between the center of the center of gravity of scraper bowl 9 and front-wheel 3A, can make lift arm 6 elongated to the outstanding size in the place ahead of loader body 2.And, for obtaining and be loaded into the balance of the goods of scraper bowl 9, need be at the rear portion of loader body 2 load balance weight.
When having loaded weight equalizer, make the weight of glide steering loader 1 increase, the overall dimensions of glide steering loader 1 maximizes.And, can not carry out little rotating operation, so the operation reduction.Therefore, preferably the distance between the center of the center of gravity of scraper bowl 9 and front-wheel 3A is set shortly as far as possible.
In the present invention, motion has the structure of the lift arm 6 of Fig. 3～shown in Figure 6.That is, Fig. 3 represents the side view of lift arm 6, and Fig. 4 represents the stereogram of lift arm 6.In addition, Fig. 5 represents the top figure of lift arm 6, and Fig. 6 represents the front view of lift arm 6.As shown in Figure 3, lift arm 6 comprises first arm 21 and second arm 22.First arm 21 constitutes, and for example steel plate bending is made shape of cross section become the long size parts of essentially rectangular, and second arm 22 is made of steel plate.
From near the central portion of first arm 21 towards leading section, utilize welding to wait fixing means to be equipped with in the two sides of first arm 21 and strengthen usefulness plate body 25A, 25B.As shown in Figure 5, strengthen the lateral surface that is installed on first arm 21 with plate body 25A, strengthen the medial surface that is installed on first arm 21 with plate body 25B.In addition, as shown in Figure 4, strengthen leading section with plate body 25B and be adapted to the state of the radicle 22A butt of second arm 22 or be positioned near the radicle 22A state.
Be formed with cylinder body installation portion 28 on strengthening with plate body 25A, 25B, swing is supported with freely and makes the leading section of lift arm 6 at the arm cylinder body 7 of above-below direction rotation on cylinder body installation portion 28.The radicle of arm cylinder body 7 is swung is supported on support 5 freely.As the position that forms cylinder body installation portion 28, can constitute in the mode of the roughly pars intermedia that becomes first arm 21.
Thus, when lift arm 6 is arranged on down position,, therefore, can shorten the total length that constitutes glide steering loader 1 because lift arm 6 and front-wheel 3A are not interfered.Therefore, need be for the balance of the goods that obtains and be loaded into scraper bowl 9, and at the rear portion of loader body 2 load balance weight, and, can constitute the radius of gyration that shortens glide steering loader 1.
As shown in Figure 6, installation strength for the radicle 22A side that improves second arm 22, first arm 21 and enhancing are for example strengthened fixing by the reinforcing member 30 of triangular prism shape with the lateral surface of the radicle 22A side of following and second arm 22 of the front of plate body 25A.As reinforcing member 30, can curved plates and form, constitute reinforcing member 30 by utilizing steel plate, can alleviate the weight of the front of first arm 21.
Leading section side at second arm 22 constitutes the annex installation portion 22c that scraper bowl 9 is supported in rotation freely.Be formed with the driver installation portion 27 of the radicle that supports the working rig usefulness cylinder body 29 that makes scraper bowl 9 actions with the leading section side of plate body 25A, 25B in the radicle 22A of second arm 22 side, i.e. enhancing.Support scraper bowl 9 at working rig freely with the leading section swing of cylinder body 29.
Pars intermedia at a pair of second arm 22 is provided with two second arms, 22 fixing beam portions 26 connected to each other.As shown in Figure 1, pedal 26A is installed in beam portion 26, the standpoint when this pedal 26A becomes about driver's seat.
In addition, also not shown reinforcing rib can be set suitably on the surface of second arm 22.By surface reinforcing rib is set, can improves the rigidity of second arm 22 at second arm 22.But, being provided with on the surface of second arm 22 under the situation of reinforcing rib, the pattern of wants is to make second arm 22 can not bring obstacle because of reinforcing rib slowly inserts between the medial surface of loader body 2 and front-wheel 3A it.
As shown in Figure 4, because first arm 21 constitutes as the long size parts of hollow, therefore, can set control wirning harness, the power lines etc. such as hydraulic piping, various sensor or control assembly that working rig is worked with cylinder body 29 in the hollow bulb by first arm 21.Like this, owing to can in the hollow bulb of first arm 21, set hydraulic piping, control with wirning harness etc., therefore,, always can utilize first arm 21 to make these distributions be in the state of protection safety for from the danger of the damage of outside etc.
In the present embodiment, as mentioned above, constitute the structure that lift arm 6 two is divided into first arm 21 and second arm 22, and, utilize steel plate to constitute first arm 21, strengthen with plate body 25A, 25B, second arm 22 and reinforcing member 30.In addition, by constitute second arm 22 by steel plate, make it possible to second arm 22 is slowly inserted between the medial surface of loader body 2 and front-wheel 3A freely.
In addition, first arm 21 of formation lift arm 6, enhancing can constitute the thickness that can guarantee the needed rigidity of each parts with the thickness of slab separately of plate body 25A, 25B, second arm 22 and reinforcing member 30.
Thus, can constitute the length of lift arm 6 with lacking, and, the structure of second arm 22 that can simplified construction becomes complicated easily.And, can simplify the unitary construction of lift arm 6, therefore, can reduce the number of components that constitutes lift arm 6, can enhance productivity, and can reduce manufacturing cost.
In addition, owing to can constitute the length of lift arm 6, therefore can use glide steering loader 1 of the present invention effectively for the various uses in narrower and small place with lacking.Because the shape of cross section of first arm 21 constitutes the essentially rectangular shape, and first arm 21 utilizes to strengthen and strengthens with plate body 25A, 25B, therefore, and for possessing sufficient tolerance intensity from bearing a heavy burden longitudinally.In addition,, be fixed in first arm 21 with plate body 25A, 25B and reinforcing member 30, therefore also possess sufficient tolerance intensity because second arm 22 utilizes to strengthen for from horizontal heavy burden.
And then, owing to utilize the hollow bulb of first arm 21, can be in first arm 21 with the distributions such as distribution that are exposed to the outside in the existing glide steering loader, therefore, can prevent the damage, disrumpent feelings of these distributions.
Claims (2)
1, a kind of lift arm of glide steering loader possesses:
Pair of right and left first arm, its butt side are supported in the rear portion of loader body and can rotate, and front forms in the mode of extending to the place ahead of described loader body;
Strengthen and to use plate body, it is installed in lateral surface and medial surface from the central portion of described first arm to front respectively;
Pair of right and left second arm, its butt side is disposed at the front of described first arm respectively, and front forms in the mode of extending downwards respectively;
Beam portion, it is arranged between the radicle and front of each described second arm, will be between described second arm of pair of right and left links to strengthen, and the lift arm of described glide steering loader is characterised in that,
The sheet metal material that each described first arm is made hollow rectangular shape by shape of cross section constitutes,
Each described second arm is made of the sheet metal material,
The butt side of each described second arm is installed on the medial surface side of described first arm respectively,
Utilize reinforcing member with the following side of the front of described first arm, be installed between the lateral surface side of described enhancing with the butt side of the following side of the front of plate body and described second arm of lateral surface of described first arm and link
Constitute the cylinder body installation portion in each described enhancing on plate body, described cylinder body installation portion supporting makes the front of the arm cylinder body that each described first arm rotates,
Front formation supporting operation at each described second arm makes its annex installation portion that can rotate with annex,
Front at each described first arm is the butt side formation driver installation portion of each described second arm, the described operation of the described driver installation portion supporting operation radicle of the driver of annex.
2, the lift arm of glide steering loader as claimed in claim 1 is characterized in that,
In the hollow bulb of described first arm, be equipped with control with wirning harness or make the pipe arrangement etc. of described driver action.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/040,326 | 2008-02-29 | ||
| US12/040,326 US7780395B2 (en) | 2008-02-29 | 2008-02-29 | Lift arm for skid-steer loader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101525888A true CN101525888A (en) | 2009-09-09 |
Family
ID=41013308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910004047A Pending CN101525888A (en) | 2008-02-29 | 2009-02-09 | A lift arm for a skid-steel loader |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US7780395B2 (en) |
| CN (1) | CN101525888A (en) |
| IT (1) | IT1393429B1 (en) |
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| CN102817384B (en) * | 2012-09-19 | 2014-09-24 | 江苏柳工机械有限公司 | Working device of slippage, steering and loading machine |
| JP6392167B2 (en) * | 2015-05-14 | 2018-09-19 | 株式会社クボタ | Front loader |
| CN106049568A (en) * | 2016-06-24 | 2016-10-26 | 山东交通学院 | Multi-unit linearly-driven planar four-degree-of-freedom heavy loading robot |
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| US3939997A (en) * | 1972-06-07 | 1976-02-24 | F & W Company Inc. | Tractor mounted implement device |
| JPH0633476A (en) | 1992-07-16 | 1994-02-08 | Toyota Autom Loom Works Ltd | Bucket leveling device of skid steer loader |
| US5540289A (en) * | 1994-03-30 | 1996-07-30 | Kubota Corporation | Stand apparatus for use in coupling and uncoupling a front loader |
| JP2007254986A (en) | 2006-03-22 | 2007-10-04 | Komatsu Ltd | Lift arm for skid steering loader |
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2009
- 2009-02-09 CN CN200910004047A patent/CN101525888A/en active Pending
- 2009-02-09 IT ITTO2009A000083A patent/IT1393429B1/en active
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| CN105951905A (en) * | 2016-06-24 | 2016-09-21 | 山东交通学院 | Electro-hydraulic controllable slip wood forklift |
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| CN106049576A (en) * | 2016-06-24 | 2016-10-26 | 山东交通学院 | Plane three-degree-of-freedom electro-hydraulic mechanism type sliding loading robot |
| CN106088181A (en) * | 2016-06-24 | 2016-11-09 | 山东交通学院 | A kind of multiple-unit linear drives wheel type excavator device people |
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| CN106120904A (en) * | 2016-06-24 | 2016-11-16 | 山东交通学院 | A kind of multiple-unit linear drives plane three mobility fork wood machine |
| CN112609757A (en) * | 2020-12-16 | 2021-04-06 | 中联重科土方机械有限公司 | Skid-steer loader and movable arm mounting structure thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| US20090220328A1 (en) | 2009-09-03 |
| ITTO20090083A1 (en) | 2009-09-01 |
| IT1393429B1 (en) | 2012-04-20 |
| US7780395B2 (en) | 2010-08-24 |
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